diff --git a/service/xboard/service.go b/service/xboard/service.go
index 95adf0b4..22acabf8 100644
--- a/service/xboard/service.go
+++ b/service/xboard/service.go
@@ -625,11 +625,6 @@ func (s *Service) setupNode() error {
 			Network:       "tcp,udp",
 			Managed:       true,
 		}
-		if s.options.Multiplex != nil && s.options.Multiplex.Enabled {
-			ssOptions.Multiplex = &option.InboundMultiplexOptions{
-				Enabled: true,
-			}
-		}
 
 		if strings.Contains(method, "2022") {
 			// SS2022: server_key is used DIRECTLY as PSK (like V2bX core/sing/node.go:251)